Attention: I'm not a teacher.
Hi Hanga,
stunted = rudimentary, obsolete, dwarfed
rudimentary = imperfectly or incomplectly developed
embrionic: a rudimentary beak
pertaining to something either vestigial or embrionic
vestigial = (biology) not fully developed in mature animal
obsolete = not longer in use
dwarft = an abnormally small person, animal or plant
to dwarft = to check the natural growth of development of, stunt
"The oaks were dwarfted from lack of moisture."
Regards.
V.